Observed 11:25 AM PDT at KRNT

Sammamish, WA weather

Overcast and 48°9°.

Mostly agree

Now 48°9°

Cloudy

Wind: 3 mph5 km/h; From the southeast. Light through 11 PM
Dew point: 34°1°; Dry · up to 43°6° by 1 PM (comfortable)
UV tomorrow: 2Low; Low all day (peak 2)
Air quality: 53Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.2 inHg1023 hPa; Falling · −0.04 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Dry until tomorrow 5 AM
High 54°12° today at 4 PM
Rain tomorrow 5–11 AM (40%, 0.18 in4.6 mm)
Low 42°6° tomorrow at 7 AM

This afternoonUp to 54°12° by 4 PM · Cloudy
TonightDown to 43°6° by midnight · Rain 5–6 AM (40%)
Tomorrow morningUp to 47°8° by 11 AM · Rain 6–11 AM (40%)
Tomorrow afternoonUp to 56°13° by 4 PM · Cloudy · rain chance 30%
Tomorrow nightDown to 43°6° by midnight · rain chance 20% · Mostly cloudy
Monday morningNear 44°7° · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Cloudy	46°8° (likely 46°8° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 1 mph2 km/h	77%	80%	1
Sat 12p	Cloudy	49°9° (likely 49°9° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	89%	2
Sat 1p	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	71%	85%	2
Sat 2p	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	68%	85%	2
Sat 3p	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	69%	84%	1
Sat 4p	Cloudy	54°12° (likely 51°11° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	70%	93%	0
Sat 5p	Cloudy	53°12° (likely 50°10° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	70%	95%	1
Sat 6p	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	78%	98%	0
Sat 7p	Cloudy	49°9° (likely 47°8° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	85%	84%	0
Sat 8p	Cloudy	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	85%	0
Sat 9p	Cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	88%	0
Sat 10p	Cloudy	44°7° (likely 44°7° to 47°8°)	44°7°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	88%	0
Sat 11p	Cloudy	44°7° (likely 44°7° to 47°8°)	44°7°	5%	1 mph2 km/h from SSW, gusts 2 mph4 km/h	87%	98%	0
Sun 12a	Cloudy	43°6° (likely 43°6° to 46°8°)	43°6°	5%	1 mph2 km/h from S, gusts 4 mph6 km/h	87%	97%	0
Sun 1a	Cloudy	43°6° (likely 43°6° to 47°8°)	43°6°	5%	1 mph2 km/h from SSE, gusts 3 mph5 km/h	87%	84%	0
Sun 2a	Cloudy	43°6° (likely 43°6° to 46°8°)	43°6°	10%	1 mph2 km/h from SSE, gusts 2 mph3 km/h	86%	94%	0
Sun 3a	Cloudy	43°6° (likely 43°6° to 45°7°)	43°6°	5%	1 mph2 km/h from SE, gusts 4 mph6 km/h	87%	98%	0
Sun 4a	Cloudy	43°6° (likely 43°6° to 46°8°)	43°6°	10%	1 mph2 km/h from ESE, gusts 6 mph10 km/h	88%	98%	0
Sun 5a	Rain	43°6° (likely 43°6° to 46°8°)	43°6°	40%, 0.03 in0.8 mm	1 mph2 km/h from ESE, gusts 6 mph10 km/h	89%	77%	0
Sun 6a	Rain	43°6° (likely 43°6° to 46°8°)	43°6°	40%, 0.03 in0.8 mm	1 mph2 km/h from E, gusts 3 mph5 km/h	91%	96%	0
Sun 7a	Rain	42°6° (likely 42°6° to 46°8°)	42°6°	40%, 0.03 in0.8 mm	1 mph2 km/h from ENE, gusts 5 mph8 km/h	94%	97%	0
Sun 8a	Rain	42°6° (likely 42°6° to 45°7°)	42°6°	30%, 0.03 in0.8 mm	1 mph2 km/h from E, gusts 5 mph7 km/h	95%	61%	0
Sun 9a	Rain	42°6° (likely 42°6° to 46°8°)	42°6°	30%, 0.03 in0.8 mm	1 mph2 km/h from ENE, gusts 5 mph8 km/h	100%	99%	0
Sun 10a	Rain	44°7° (likely 44°7° to 47°8°)	44°7°	20%, 0.03 in0.8 mm	1 mph2 km/h from NE, gusts 7 mph11 km/h	100%	99%	0
Sun 11a	Rain	47°8° (likely 47°8° to 48°9°)	47°8°	30%	0 mph0 km/h, gusts 9 mph14 km/h	97%	100%	1
Sun 12p	Drizzle	49°9° (likely 48°9° to 50°10°)	49°9°	30%	0 mph0 km/h, gusts 6 mph9 km/h	91%	100%	1
Sun 1p	Drizzle	53°12° (likely 47°8° to 53°12°)	53°12°	20%	0 mph0 km/h, gusts 10 mph15 km/h	85%	99%	2
Sun 2p	Cloudy	55°13° (likely 48°9° to 55°13°)	55°13°	20%	1 mph2 km/h from NW, gusts 10 mph16 km/h	81%	99%	2
Sun 3p	Mostly cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	10%	1 mph2 km/h from NW, gusts 5 mph8 km/h	81%	99%	1
Sun 4p	Drizzle	56°13° (likely 49°9° to 56°13°)	56°13°	10%	1 mph2 km/h from WNW, gusts 9 mph15 km/h	81%	100%	1
Sun 5p	Rain	55°13° (likely 49°9° to 55°13°)	55°13°	20%	1 mph2 km/h from NNE, gusts 8 mph12 km/h	80%	100%	1
Sun 6p	Cloudy	52°11° (likely 48°9° to 52°11°)	52°11°	20%	1 mph2 km/h from NNE, gusts 7 mph11 km/h	86%	100%	0
Sun 7p	Cloudy	50°10° (likely 48°9° to 50°10°)	50°10°	5%	1 mph2 km/h from NNE, gusts 9 mph14 km/h	93%	99%	0
Sun 8p	Cloudy	47°8° (likely 47°8° to 49°9°)	47°8°	5%	0 mph0 km/h, gusts 4 mph7 km/h	94%	97%	0
Sun 9p	Mostly cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	10%	0 mph0 km/h, gusts 3 mph4 km/h	98%	88%	0
Sun 10p	Mostly cloudy	44°7° (likely 44°7° to 48°9°)	44°7°	5%	0 mph0 km/h, gusts 5 mph8 km/h	99%	75%	0
Sun 11p	Cloudy	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	84%	0
Mon 12a	Cloudy	43°6° (likely 43°6° to 47°8°)	43°6°	10%	0 mph0 km/h, gusts 4 mph7 km/h	98%	71%	0
Mon 1a	Cloudy	43°6° (likely 43°6° to 47°8°)	43°6°	10%	0 mph0 km/h, gusts 3 mph5 km/h	98%	66%	0
Mon 2a	Rain	43°6° (likely 42°6° to 47°8°)	43°6°	20%	0 mph0 km/h, gusts 4 mph6 km/h	98%	76%	0
Mon 3a	Cloudy	43°6° (likely 42°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	98%	81%	0
Mon 4a	Cloudy	43°6° (likely 41°5° to 47°8°)	43°6°	5%	0 mph0 km/h, gusts 3 mph5 km/h	99%	81%	0
Mon 5a	Mostly cloudy	43°6° (likely 40°4° to 46°8°)	43°6°	5%	1 mph2 km/h from E, gusts 2 mph4 km/h	100%	76%	0
Mon 6a	Cloudy	43°6° (likely 38°3° to 46°8°)	43°6°	5%	1 mph2 km/h from E, gusts 2 mph3 km/h	100%	76%	0
Mon 7a	Cloudy	42°6° (likely 38°3° to 46°8°)	42°6°	5%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	97%	0
Mon 8a	Mostly cloudy	42°6° (likely 38°3° to 46°8°)	42°6°	5%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	94%	0
Mon 9a	Mostly cloudy	43°6° (likely 42°6° to 47°8°)	43°6°	5%	1 mph2 km/h from E, gusts 3 mph5 km/h	100%	92%	0
Mon 10a	Cloudy	45°7° (likely 45°7° to 49°9°)	45°7°	5%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	91%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 55°13°, low 42°6°. Typical 58°14° / 45°7°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
3. Overnight
  midnight–6 AM
  Rain, 43°6°
  40% chance · 0.03 in0.8 mm
Official NWS forecast
Today: Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. Wind around 0 mph.
Tonight: A chance of rain after 5am. Mostly cloudy, with a low around 42. South southeast wind around 1 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
35°2°–42°6°
Typical high / low
58°14° / 45°7°
Wind
7 mph11 km/h
UV peak
2
Tomorrow, Oct 25. Rain. High 57°14°, low 42°6°. Typical 57°14° / 45°7°. Rain 0.26 in6.6 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 42°6°
  40% chance · 0.15 in3.8 mm
2. Afternoon
  noon–6 PM
  Mostly cloudy, 56°13°
  30% chance
3. Evening
  6 PM–midnight
  Mostly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Official NWS forecast
Day: A chance of rain. Partly sunny. High near 57, with temperatures falling to around 55 in the afternoon. North northeast wind around 1 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Night: A slight chance of rain before 3am. Mostly cloudy, with a low around 42. Northeast wind around 1 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–57°14°
Low, likely
42°6°–45°7°
Typical high / low
57°14° / 45°7°
Wind
9 mph14 km/h, gusts 20 mph32 km/h
UV peak
2
Monday, Oct 26. Rain. High 57°14°, low 44°7°. Typical 57°14° / 45°7°. Rain 0.07 in1.8 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°9°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  60% chance · 0.07 in1.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Mostly cloudy, with a high near 57. East northeast wind around 1 mph. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–57°14°
Low, likely
38°3°–46°8°
Typical high / low
57°14° / 45°7°
Wind
5 mph8 km/h, gusts 14 mph23 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 57°14°, low 43°6°. Typical 57°14° / 44°7°. Rain 0.2 in5.1 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 47°8°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Mostly sunny, 53°12°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  40% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 46°8°
  70% chance · 0.08 in2.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 57.
Night: Rain. Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
43°6°–47°8°
Typical high / low
57°14° / 44°7°
Wind
12 mph20 km/h, gusts 24 mph38 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 53°12°, low 39°4°. Typical 56°13° / 44°7°. Rain 0.48 in12 mm, 90% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 45°7°
  70% chance · 0.12 in3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 49°10°
  80% chance · 0.19 in4.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  70% chance · 0.09 in2.2 mm
4. Overnight
  midnight–6 AM
  Showers, 41°5°
  60% chance · 0.15 in3.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 53.
Night: Rain. Mostly cloudy, with a low around 39.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–53°12°
Low, likely
39°4°–44°7°
Typical high / low
56°13° / 44°7°
Wind
12 mph20 km/h, gusts 24 mph38 km/h
UV peak
2
Thursday, Oct 29. Rain. High 52°11°, low 36°2°. Typical 56°13° / 44°7°. Rain 0.39 in9.9 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 40°5°
  50% chance · 0.17 in4.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 46°8°
  40% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  40% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  30% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 52.
Night: A chance of rain before 5am. Mostly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–52°11°
Low, likely
35°2°–39°4°
Typical high / low
56°13° / 44°7°
Wind
7 mph10 km/h, gusts 21 mph34 km/h
Friday, Oct 30. Mostly cloudy. High 52°11°, low 34°1°. Typical 56°13° / 44°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  20% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 52.
Night: Mostly cloudy, with a low around 34.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
47°8°–52°11°
Low, likely
34°1°–39°4°
Typical high / low
56°13° / 44°7°
Wind
4 mph7 km/h, gusts 14 mph22 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 48°9°, low 35°2°. Typical 56°13° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 38°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–50°10°
Low, likely
32°0°–39°4°
Typical high / low
56°13° / 44°7°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 50°10°, low 38°3°. Typical 55°13° / 43°6°. Rain 0.31 in7.9 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  20% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
49°9°–52°11°
Low, likely
33°1°–42°6°
Typical high / low
55°13° / 43°6°
Wind
15 mph25 km/h, gusts 41 mph66 km/h
UV peak
1
Monday, Nov 2. Cloudy. High 53°12°, low 39°4°. Typical 55°13° / 43°6°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–60°16°
Low, likely
35°2°–43°6°
Typical high / low
55°13° / 43°6°
Wind
16 mph25 km/h, gusts 41 mph66 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 55°, low 42°.
Tomorrow
38% chance of rain, high 57°, low 42°.
Monday
Dry, high 57°, low 44°.
Rest of week
Highs 48–57°; chance of precipitation on Wednesday, Thursday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Cedar River (WA) at Renton

11 mi

Below flood stage

Level: 8.6 ft
Flow: 323 cfs

Forecast peak 8.6 ft Sat 5 PM

Reading from Sat 10:15 AM · NWS gauge page

Cedar River (WA) near Landsburg

14 mi

Below flood stage

Level: 1.3 ft
Flow: 359 cfs

Forecast peak 1.3 ft Sat 5 PM

Reading from Sat 10:45 AM · NWS gauge page

Issaquah Creek near Issaquah

2.9 mi

Below flood stage

Flow: 25 cfs

Reading from Sat 9:15 AM · NWS gauge page

Snoqualmie River near Carnation

7.3 mi

Below flood stage

Level: 44.4 ft
Flow: 476 cfs

Reading from Sat 9:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 64% less heating than a typical week.

This week 36Typical 101

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 31
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Seattle Sand Point WFO · official normals 1991–2020 · records 1894–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

−2°−1°SunOct 18
+2°+1°MonOct 19
+2°+1°TueOct 20
+3°+1°WedOct 21
±0°ThuOct 22
−1°FriOct 23
—SatOct 24

Sammamish weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 23 min; Losing 3 min 12 s a day; shortest Dec 21, 1 h 57 min less
Golden hour: 5:20–6:22 PM; Morning 7:21–8:23 AM
Blue hour: 6:22–6:35 PM; Morning 7:08–7:21 AM; first light 7:08 AM

Stars tonight? Poor

Clouds most of the night (about 92% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:56 AM · rises 5:05 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Sammamish. The highest point on the skyline is about 14,300 ft, 53 mi away.Skyline from USGS elevation data, heights drawn up to 5.5× taller. Sky, sun and moon as they are now.

Sammamish, WA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Cedar River (WA) at Renton

Cedar River (WA) near Landsburg

Issaquah Creek near Issaquah

Snoqualmie River near Carnation

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon